College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 5 - Systems of Equations and Inequalities - Exercise Set 5.1 - Page 527: 40

Answer

(-1, -1)

Work Step by Step

Plug x + 2y = -3 into $\frac{x}{6} - \frac{y}{2} = \frac{1}{3}$ -2y - 3 = x $\frac{-2y - 3}{6} - \frac{y}{2} = \frac{1}{3}$ $\frac{-2y - 3}{6} - \frac{3y}{6} = \frac{2}{6}$ -2y - 3 - 3y = 2 -5y = 5 y = -1 Plug y into x + 2y = -3 x + 2$\times-1$ = -3 x - 2 = -3 x = -1
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